﻿#region Copyright & licence

// This file is part of Refix.
// 
// Refix is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
// 
// Refix is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with Refix.  If not, see <http://www.gnu.org/licenses/>.
// 
// Copyright (C) 2010-11 David Musgrove and others.

#endregion

using System;
using System.IO;

using Refix.Core.Properties;

namespace Refix.Core.Commands
{
    public abstract class SingleSolutionCommand : Command
    {
        private string _fileName;

        public string FileName
        {
            get
            {
                return _fileName;
            }
            set
            {
                if (!Path.IsPathRooted(value))
                {
                    _fileName = Path.Combine(Directory.GetCurrentDirectory(), value);
                }
                else
                {
                    _fileName = value;
                }
            }
        }

        public override bool Validate()
        {
            if (!base.Validate())
            {
                return false;
            }
            if (Options.Arguments.Count > 1)
            {
                OutputWriter.WriteLine(OutputVerbosity.Quiet,
                                   ResourceDispenser.GetString("SINGLE_SOLUTION_INVALID_NUMBER_OF_ARGUMENTS"));
                return false;
            }
            if (Options.Arguments.Count == 1)
            {
                FileInfo[] fileInfos = new DirectoryInfo(Directory.GetCurrentDirectory()).GetFiles(Options.Arguments[0]);
                if (fileInfos.Length == 0)
                {
                    OutputWriter.WriteLine(OutputVerbosity.Quiet,
                                       ResourceDispenser.GetString("SINGLE_SOLUTION_FILE_DOESNT_EXIST"));
                    return false;
                }
                FileName = fileInfos[0].FullName;
            }
            else
            {
                FileInfo[] fileInfos =
                    new DirectoryInfo(Directory.GetCurrentDirectory()).GetFiles("*" + FileExtensions.Solution);
                if (fileInfos.Length == 0)
                {
                    OutputWriter.WriteLine(OutputVerbosity.Quiet,
                                       ResourceDispenser.GetString("SINGLE_SOLUTION_NO_SOLUTION_FILES"));
                    return false;
                }
                if (fileInfos.Length > 1)
                {
                    OutputWriter.WriteLine(OutputVerbosity.Quiet,
                                       ResourceDispenser.GetString("SINGLE_SOLUTION_MULTIPLE_SOLUTION_FILES"));
                    return false;
                }
                FileName = fileInfos[0].FullName;
            }
            return true;
        }
    }
}